Add four additional RS-232 serial ports to any computer with a free USB port Provides serial connectivity to legacy free systems lacking RS-232 serial ports Supports wakeup and power management mode p This 4 Port USB to RS232 Serial Hub lets you connect up to four RS232 serial devices to your Mac or PC laptop or desktop computer through a single USB port, as though the computer offered built-on DB9M serial connectors. The RS232 Serial Hub is compactly designed to preserve valuable workspace, and is bus-powered to eliminate the need for an external power adapter. A cost-effective solution that bridges the compatibility gap between modern USB-capable computers and legacy RS232 serial peripherals, this dependable USB/RS232 Serial Adapter hub is backed by StarTechs Lifetime Warranty. /p
^StarTech.com 4 Port USB to RS-232 Serial DB9 Adapter - serial adapter - 4 ports ( ICUSB232_4 ), Startech.com. Amazon. UPC 163120768929 (revised Jul 2018)
